0.3a-20=0.5a

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Solution for 0.3a-20=0.5a equation: 



0.3a-20=0.5a

We move all terms to the left:

0.3a-20-(0.5a)=0

We add all the numbers together, and all the variables

0.3a-(+0.5a)-20=0

We get rid of parentheses

0.3a-0.5a-20=0

We add all the numbers together, and all the variables

-0.2a-20=0

We move all terms containing a to the left, all other terms to the right

-0.2a=20

a=20/-0.2

a=-100

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